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March 8, 2013

IE 10 + Access Gateway Enterprise Logon Screen Issue

People who already use IE 10 will have probably seen this phenomenon while connecting to an Access Gateway Enterprise site. The browser window remains empty after connecting to the AGEE URL. The logon prompt is only visible after switching to compatibility mode. A similar problem has been described on this site a few years ago, s. AAC und IE 8.0

The solution is similar but the files are different.

With Access Gateway Enterprise the file “/netscaler/ns_gui/vpn/index.html” has to be changed according to the following listing (red/bold line added):

<HTML><HEAD><TITLE>Citrix Access Gateway</TITLE>
<link rel="SHORTCUT ICON" href="/vpn/images/AccessGateway.ico" type="image/vnd.microsoft.icon">
<META http-equiv="X-UA-Compatible" content="IE=EmulateIE9" />
<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
<META content=noindex,nofollow,noarchive name=robots>
<LINK href="/vpn/images/caxtonstyle.css" type=text/css rel=STYLESHEET>
<script type="text/javascript" src="/vpn/resources.js"></script>
<script type="text/javascript" language="javascript">
var Resources = new ResourceManager("resources/{lang}", "logon");
</script>

If the fix is working (! close the browser and reopen it !), don’t forget to make this change persistent since the Access Gateway Enterprise “forgets” all the modifications during a reboot! The following Citrix KB article describes, how to make changes survive a reboot: How to Retain the Custom Settings made to the NetScaler Appliance after it is Restarted

Regards
Ecki

March 24, 2009

AAC and IE 8.0

Some days ago, Microsoft officialy released IE 8.0. Since IE 8.0 will be available trough Windows Update soon, more and more users will hit existing AAC deployments with this browser. Unfortunately this is not working as expected. This is, how an AAC portal page looks like in IE 8.0 with default settings:

Portal
OWA

The layout is crushed, links are missing and OWA is nearly unusable 🙁

A small change in the file C:\Inetpub\wwwroot\CitrixSessionInit\NUI.aspx solves the display issue by forcing IE 8.0 into IE 7.0 compatibility mode.

It is sufficient to add the following line in the header of the NUI.aspx file:

<meta http-equiv=”X-UA-Compatible” content=”IE=EmulateIE7″ />

Your header might look like this after the change:

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Citrix Access Gateway</title>
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
<meta name="GENERATOR" content="Microsoft Visual Studio .NET 7.1" />
<meta name="CODE_LANGUAGE" content="C#" />
<meta name="vs_defaultClientScript" content="JavaScript" />
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5" />
<link rel="SHORTCUT ICON" href="themes/default/images/favicon.ico" type="image/vnd.microsoft.icon" />
<base id="baseElement" href="" runat="server" />
<link id="cssElement" rel="stylesheet" href="" runat="server" />
<!--[if IE]>
<style type="text/css">

Immediately your portal is rendered again as it should be 🙂

Portal
OWA

This is not a final solution for the problem, but until Citrix releases a fix for this issue it will do…

Regards
Ecki

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